| Opmeer to Bombarral | 1,144.47 mi (1,841.84 km) |
| Opmeer to Bougado | 1,007.17 mi (1,620.89 km) |
| Opmeer to Braga | 990.94 mi (1,594.77 km) |
| Opmeer to Braganca | 929.17 mi (1,495.35 km) |
| Opmeer to Cabeceiras de Basto | 980.23 mi (1,577.53 km) |
| Opmeer to Cacem | 1,178.19 mi (1,896.11 km) |
| Opmeer to Cadaval | 1,145.00 mi (1,842.69 km) |
| Opmeer to Caldas da Rainha | 1,135.71 mi (1,827.75 km) |
| Opmeer to Calheta | 1,764.15 mi (2,839.13 km) |
| Opmeer to Camara de Lobos | 1,760.18 mi (2,832.74 km) |
| Opmeer to Canico | 1,759.47 mi (2,831.59 km) |
| Opmeer to Cantanhede | 1,065.44 mi (1,714.67 km) |
| Opmeer to Carregal do Sal | 1,043.84 mi (1,679.90 km) |
| Opmeer to Cartaxo | 1,141.28 mi (1,836.71 km) |
| Opmeer to Cascais | 1,185.35 mi (1,907.64 km) |
